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Mathematical physics

Mathematical physics

Shapes are programmed to roll along specific downhill paths

14 Aug 2023 Hamish Johnston
A trajectoid in action
On a roll: a 3D-printed trajectoid and its repeating downhill path (motion to the right) route. (Courtesy: Nature)
Researchers in South Korea and Switzerland have developed an algorithm that creates 3D objects that

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Hamish Johnston is an online editor of Physics World
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